12241031223421 has 24 divisors (see below), whose sum is σ = 16560021911552. Its totient is φ = 8804737735200.

The previous prime is 12241031223403. The next prime is 12241031223439. The reversal of 12241031223421 is 12432213014221.

It is an interprime number because it is at equal distance from previous prime (12241031223403) and next prime (12241031223439).

It is not a de Polignac number, because 12241031223421 - 2²⁹ = 12240494352509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12241031223421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12241031223461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555843645 + ... + 555865666.

Almost surely, 2^{12241031223421} is an apocalyptic number.

12241031223421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12241031223421 is a deficient number, since it is larger than the sum of its proper divisors (4318990688131).

12241031223421 is a wasteful number, since it uses less digits than its factorization.

12241031223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111709353 (or 1111709342 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12241031223421 its reverse (12432213014221), we get a palindrome (24673244237642).

The spelling of 12241031223421 in words is "twelve trillion, two hundred forty-one billion, thirty-one million, two hundred twenty-three thousand, four hundred twenty-one".